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Help please. 1.) 12x+9x+15x 2.) 7n+28-21m
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Help please.
1.) 12x+9x+15x

2.) 7n+28-21m

User Fschoenm
by
8.8k points

2 Answers

3 votes
1. 36x
2.-14nm + 28
Like terms
User Marosdee Uma
by
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7 votes

Answer: 1. 36x 2.− 21 m + 7 n + 28

Explanation:

User Bobbaluba
by
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